<template>
  <div>
    <input type="text" v-model="test" @change="handlerChange" />
  </div>
</template>
<script>
export default {
  data() {
    return {
      test: 123
    };
  },
  methods: {
    handlerChange(v) {
      console.log(v);
    }
  }
};
</script>